order (v.) 点(菜)、命令例句：I ordered a hamburger and some fries. 我点了一个汉堡和薯条。cost an arm and a leg价格非常昂贵；费用很大  例句： Eating in hotels costs an arm and a leg.在饭店里吃饭费用很大。The sooner, the better. 越快越好。  对话： A: You'd better apply for your passport now. The sooner, the better. B: All right. I'll follow your advice.A：你最好现在就去申请护照。越快越好。 B：好吧。我听你的。